{"id":"CVE-2020-9453","aliases":["EUVD-2020-30272","GHSA-568w-pxmx-pg4m"],"status":"published","title":"In Epson iProjection v2.30, the driver file EMP_MPAU.sys allows local users to cause a denial of...","description":"In Epson iProjection v2.30, the driver file EMP_MPAU.sys allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C402406 and IOCtl 0x9C40240A. (0x9C402402 has only a NULL pointer dereference.) This affects \\Device\\EMPMPAUIO and \\DosDevices\\EMPMPAU.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00393,"percentile":0.33771,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2021-02-05T19:07:26Z","modified":"2026-06-17T03:27:58Z","products":[{"vendor":"epson","product":"iprojection"}],"references":[{"url":"https://epson.com","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://github.com/FULLSHADE/Kernel-exploits","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://github.com/FULLSHADE/Kernel-exploits/tree/master/EMP_MPAU.sys","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://epson.com/Support/wa00936","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9453"},{"url":"https://github.com/advisories/GHSA-568w-pxmx-pg4m"}],"sources":{"cve":[{"id":"CVE-2020-9453","description":"In Epson iProjection v2.30, the driver file EMP_MPAU.sys allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C402406 and IOCtl 0x9C40240A. (0x9C402402 has only a NULL pointer dereference.) This affects \\Device\\EMPMPAUIO and \\DosDevices\\EMPMPAU.","status":"published","published":"2021-02-05T19:07:26Z","modified":"2024-08-04T10:26:16.293Z","updated_at":"2026-11-02T14:35:49.209579Z"}],"euvd":[{"id":"EUVD-2020-30272","description":"In Epson iProjection v2.30, the driver file EMP_MPAU.sys allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C402406 and IOCtl 0x9C40240A. (0x9C402402 has only a NULL pointer dereference.) This affects \\Device\\EMPMPAUIO and \\DosDevices\\EMPMPAU.","status":"published","published":"2021-02-05T19:07:26Z","modified":"2024-08-04T10:26:16Z","updated_at":"2026-11-03T03:07:54.025234Z"}],"ghsa":[{"id":"GHSA-568w-pxmx-pg4m","title":"In Epson iProjection v2.30, the driver file EMP_MPAU.sys allows local users to cause a denial of...","description":"In Epson iProjection v2.30, the driver file EMP_MPAU.sys allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C402406 and IOCtl 0x9C40240A. (0x9C402402 has only a NULL pointer dereference.) This affects \\Device\\EMPMPAUIO and \\DosDevices\\EMPMPAU.","status":"published","published":"2022-05-24T17:41:12Z","modified":"2023-01-27T05:03:01Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:42:09.126228Z"}],"nvd":[{"id":"CVE-2020-9453","description":"In Epson iProjection v2.30, the driver file EMP_MPAU.sys allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C402406 and IOCtl 0x9C40240A. (0x9C402402 has only a NULL pointer dereference.) This affects \\Device\\EMPMPAUIO and \\DosDevices\\EMPMPAU.","status":"published","published":"2021-02-05T20:15:13.23Z","modified":"2026-06-17T03:27:58.513Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:34.188486Z"}]}}